Hygrometer Detection Soil Moisture Sensor Protection Board 6mm Center Shaft Hole Diameter

6mm Center Shaft Hole Diameter 5

With mounting holes

Best of all

Gearbox Length

Up to 50 Hz ranging frequency

Hygrometer Detection Soil Moisture Sensor Protection Board 6mm Center Shaft Hole DiameterThis is a simple moisture sensor can be used to detect soil moisture, when the soil water, the sensor output of the analog value will be reduced, and vice versa will increase. Use this sensor to make an automatic watering device. When you are not at home or after a long time, it can sense if your plant is already thirsty. To prevent the plants withered to know that is caused by water. With the Arduino controller to make your plant more comfortable,